General cleanup of opcode selection and invalid opcode handling. Also
fixes the bug of two-operand instructions being decoded as six-bytes
long instead of four bytes long (#11000). Also fixes some out of bounds
reads.
Fixes#11000
* Seems to work, but there are many things to improve and fix
* Fixed some bugs (overflow, sandbox bypass, ..)
* Exposes some memleaks and bad api usages.
* Refactor all the things! \o/
* Fix z80, tms320 disasm and x86.as
* Care about memleaks
* Support meson
* And fix more tests related to pda and pdj and m68k
* meson.build: fix meson build when not on git
* meson.build: make capstone a dependency
* meson.build: make r_magic library optional
* meson.build: capstone include is already in the dependency
* meson.build: use dependencies instead of manual linking + includes
* meson.build: add travis
* flag/meson.build: include sdb dependency
* travis-script: print messages based on install system
* io/meson.build: add sdb as dependency
* syscall/meson.build: missing sdb dependency
* {parse,config}/meson.build: add sdb dependency
* travis.yml: pass INSTALL_SYSTEM var to docker
* {bin/shlr}/meson.build: add sdb_dep to r2java and bin
* install meson and ninja-build in r2-travis docker
* travis.yml: allow meson build to fail for now
* anal/meson.build: add sdb and java dependencies
* egg/meson.build: add sdb dependency
* travis.yml: meson build env should be also in the includes list
* core/meson.build: add java dep
* meson.build: use dependencies also to create main r2 dependency
* rasm2/meson.build: replace link_with with dependencies
* rasm2/meson.build: add sdb as dependency
* meson.builds: convert link_with to dependencies and fix tabs
* travis-script: change meson install prefix and set PKG_CONFIG_PATH
* travis-script: add lib64 to LD_LIBRARY_PATH
